我写的雅思作文有几句句子不知道有没有问题,

我写的雅思作文有几句句子不知道有没有问题,
It is generally acknowledged that the developments of high-tech can greatly
reduce the waste of time and extremely increase the efficiency especially in
the age of mass information.
是不是应该把can去掉改成别的?
Invariably do we admire that the great talented people who have made
significant contributions to the world like Bill Gates advancing the IT
field.
Only the combination of them of which we take advantage can we make influence
on our personality and development during our life process .
这两句倒装句倒得对吗?还有第一句倒装读起来是不是有点别扭?同样,第二句倒
装的can用得对吗?